fixed postgres search

cookbook/filters.py

@@ -49,8 +49,10 @@ with scopes_disabled():
         def filter_name(queryset, name, value):
             if not name == 'name':
                 return queryset
-            if settings.DATABASES['default']['ENGINE'] in ['django.db.backends.postgresql_psycopg2', 'django.db.backends.postgresql']:
-                queryset = queryset.annotate(similarity=TrigramSimilarity('name', value), ).filter(Q(similarity__gt=0.1) | Q(name__unaccent__icontains=value)).order_by('-similarity')
+            if settings.DATABASES['default']['ENGINE'] in ['django.db.backends.postgresql_psycopg2',
+                                                           'django.db.backends.postgresql']:
+                queryset = queryset.annotate(similarity=TrigramSimilarity('name', value), ).filter(
+                    Q(similarity__gt=0.1) | Q(name__unaccent__icontains=value)).order_by('-similarity')
             else:
                 queryset = queryset.filter(name__icontains=value)
             return queryset

cookbook/migrations/0119_auto_20210411_2101.py

@@ -0,0 +1,15 @@
+# Generated by Django 3.2 on 2021-04-11 19:01
+from django.contrib.postgres.operations import UnaccentExtension, TrigramExtension
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cookbook', '0118_auto_20210406_1805'),
+    ]
+
+    operations = [
+        TrigramExtension(),
+        UnaccentExtension(),
+    ]